#!/bin/bash
sum=0
for((i=0;i<101;i++))
do
	sum=$[sum+i]
done
echo $sum
x=4
y=2
echo $[x**y]  #x^y
echo $[$x**y]  #x^y
echo $[$x**$y]  #x^y
echo $[x**$y]  #x^y
y=3
echo $[x**y]  #x^y

echo $[x/y]  
